Bonding Basics Worksheet With Answer Key - T. Trimpe
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1
2Bonding Basics Review
Name _____________________________
1. Complete the chart using your knowledge of atoms.
Total # of
# of Valence
# of Electrons
Oxidation
Element
Atomic Symbol
Electrons
Electrons
Gained or Lost
Number
Bromine
Lithium
Calcium
Sulfur
Boron
Silicon
Phosphorus
2. Ionic Bonds - Draw the Lewis structures for each atom, draw arrows to show the transfer of electrons,
write the charge for each ion, and then write the chemical formula.
(A) Potassium + Iodine
(B) Magnesium + Oxygen
(C) Lithium + Nitrogen
3. Covalent Bonds – Draw the Lewis structures for each atom, draw circles to show the electrons that are
shared, and then write the bond structure and chemical formula.
(A) Fluorine + Fluorine
(B) 3 Hydrogen + 1 Phosphorus
(C) 2 Hydrogen + 1 Sulfur
T. Trimpe 2008
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